======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '135'
                                          'artist'  'South Park'
                                     'text_people'  ''
                                         'release'  "Mr. Hankey's Christmas Classic"
                                           'title'  'O Holy Night'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-PLAY-2', 'q-syn-2', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'Q-PIANO-2', "
 "'q-chart-3', 'q-drums-1', 'q-other-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'funny', 'comedy', 'humor']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '143.416'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'TALB' (Album/Movie/Show title)                     "Mr. Hankey's Christmas Classic"
'TBPM' (BPM (beats per minute))                     '143.416'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'O Holy Night'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'South Park'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', 'funny', 'comedy', 'humor']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.62 dB'
'TXXX:replaygain_track_peak'                        '0.706400'

========================== row from database ==========================
                                              'id'  264078
                                            'path'  /data/Music/Bulk/0soundtrack/South Park/MBZ;#South Park;#Mr Hankeys Christmas Classics;#03;#O Holy Night.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  135
                                           'genre'  soundtrack-video
                                        'filesize'  2177485
                                           'mtime'  1620334239
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack MBZ;#South Park;#Mr Hankeys Classics;#03;#O soundtrack video
                                      'tag_artist'  South Park
                                     'tag_release'  Mr. Hankey's Christmas Classic
                                       'tag_title'  O Holy Night
                                             'bpm'  143.416
                                    'search_title'  'holy':2 'night':3 'o':1
                                   'search_artist'  'park':2 'south':1
                                  'search_release'  'christmas':6 'classic':7 'hankey':3 'hankeys':5 'mr':1,2 's':4
                                     'search_rest'  '03':12,15 '0soundtrack':1 'classics':11,14 'hankeys':10 'mbz':2,4 'mr':7,9 'o':13,16 'park':6,8 'soundtrack':17 'south':3,5 'video':18
                                    'search_combo'  '03':24,27 '0soundtrack':13 'christmas':11C 'classic':12C 'classics':23,26 'hankey':8C 'hankeys':10C,22 'holy':2A 'mbz':14,16 'mr':6C,7C,19,21 'night':3A 'o':1A,25,28 'park':5B,18,20 's':9C 'soundtrack':29 'south':4B,15,17 'video':30
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-1', 'Q-PLAY-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'funny', 'comedy', 'humor']
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620334238.6522126  (2021-05-06 22:50:38)
                             'size'  2177485